00:21:78 Matuschek Messtechnik GmbH
Every MAC address from 00:21:78:00:00:00 to 00:21:78:FF:FF:FF belongs to a block the IEEE assigned to Matuschek Messtechnik GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:78 belongs to
Written 00:21:78, 00-21-78 or 002178, depending on the system. Look up a full address.
Prefix
00:21:78
Organization
Matuschek Messtechnik GmbH
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:78:00:00:00
Last address
00:21:78:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Werner Heisenberg Straße 14 Alsdorf NRW DE 52477